server/socket/sounds.C

/*
 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
 * 
 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Crossfire TRT is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <crossfire@schmorp.de>
 */

/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */

/**
 * \file
 * Sound-related functions.
 *
 * \date 2003-12-02
 */

#include <global.h>
#include <sproto.h>
#include <sounds.h>

#include <tr1/unordered_map>

/**
 * Maximum distance a player may hear a sound from.
 * This is only used for new client/server sound.  If the sound source
 * on the map is farther away than this, we don't sent it to the client.
 */
#define MAX_SOUND_DISTANCE 16

// the hashtable
typedef std::tr1::unordered_map
  <
    const char *,
    faceidx,
    str_hash,
    str_equal,
    slice_allocator< std::pair<const char *const, faceidx> >
  > HT;

static HT ht;

faceidx
sound_find (const char *str)
{
  auto (i, ht.find (str));

  if (i != ht.end ())
    return i->second;

  //TODO: really fall back to face name?
  char face[128];
  snprintf (face, 128, "sound/%s", str);
  return face_find (face);
}

void
sound_set (const char *str, faceidx face)
{
  auto (i, ht.find (str));

  if (i != ht.end ())
    i->second = face;
  else
    ht.insert (std::make_pair (strdup (str), face));
}

//TODO: remove
// for gcfclient-compatibility, to vanish at some point
faceidx old_sound_index [SOUND_CAST_SPELL_0];

/*
 * Plays a sound for specified player only
 */
void
client::play_sound (faceidx sound, int dx, int dy)
{
  if (!sound)
    return;

  if (dx < -MAX_SOUND_DISTANCE || dx > MAX_SOUND_DISTANCE) return;
  if (dy < -MAX_SOUND_DISTANCE || dy > MAX_SOUND_DISTANCE) return;

  if (fx_want [FT_SOUND])
    {
      // cfplus
      send_face (sound);
      flush_fx ();

      uint8 vol = clamp (255 - idistance (dx, dy) * 361 / MAX_SOUND_DISTANCE, 0, 255);

      // cut off volume here
      if (vol < 8)
        return;

      packet sl ("sc");

      uint8 *len = sl.cur;

      sl << uint8 (0) // group length
         << uint8 (0) // type == one-time effect
         << ber32 (sound)
         << sint8 (dx)
         << sint8 (dy)
         << uint8 (vol); // 0 == silent, 255 max

      *len = sl.cur - len; // patch in group length

      send_packet (sl);
    }
  else if (this->sound)
    {
      //TODO: remove, or make bearable
      // gcfclient compatibility

      int gcfclient_sound;
      for (gcfclient_sound = SOUND_CAST_SPELL_0; gcfclient_sound--; )
        if (old_sound_index [gcfclient_sound] == sound)
          {
            packet sl ("sound");

            sl << uint8  (dx)
               << uint8  (dy)
               << uint16 (gcfclient_sound)
               << uint8  (SOUND_NORMAL);

            send_packet (sl);

            break;
          }
    }
}

Revision:	1.22
Committed:	Wed Aug 1 01:07:42 2007 UTC (16 years, 10 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.21:	+7 -3 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.13	/*
2	root	1.14	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3	root	1.13	*
4			* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5			* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6			* Copyright (©) 1992,2007 Frank Tore Johansen
7			*
8	root	1.14	* Crossfire TRT is free software: you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation, either version 3 of the License, or
11			* (at your option) any later version.
12	root	1.13	*
13	root	1.14	* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17	root	1.13	*
18	root	1.14	* You should have received a copy of the GNU General Public License
19			* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	root	1.13	*
21			* The authors can be reached via e-mail to <crossfire@schmorp.de>
22			*/
23
24	elmex	1.1	/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */
25
26			/**
27			* \file
28			* Sound-related functions.
29			*
30			* \date 2003-12-02
31			*/
32
33			#include <global.h>
34			#include <sproto.h>
35			#include <sounds.h>
36
37	root	1.15	#include <tr1/unordered_map>
38
39	elmex	1.1	/**
40			* Maximum distance a player may hear a sound from.
41			* This is only used for new client/server sound. If the sound source
42			* on the map is farther away than this, we don't sent it to the client.
43			*/
44	root	1.21	#define MAX_SOUND_DISTANCE 16
45	elmex	1.1
46	root	1.15	// the hashtable
47			typedef std::tr1::unordered_map
48			<
49			const char *,
50			faceidx,
51			str_hash,
52			str_equal,
53			slice_allocator< std::pair<const char *const, faceidx> >
54			> HT;
55
56			static HT ht;
57
58			faceidx
59			sound_find (const char *str)
60			{
61			auto (i, ht.find (str));
62
63	root	1.22	if (i != ht.end ())
64			return i->second;
65
66			//TODO: really fall back to face name?
67			char face[128];
68			snprintf (face, 128, "sound/%s", str);
69			return face_find (face);
70	root	1.15	}
71
72			void
73			sound_set (const char *str, faceidx face)
74			{
75			auto (i, ht.find (str));
76
77			if (i != ht.end ())
78			i->second = face;
79			else
80			ht.insert (std::make_pair (strdup (str), face));
81			}
82
83	root	1.17	//TODO: remove
84			// for gcfclient-compatibility, to vanish at some point
85			faceidx old_sound_index [SOUND_CAST_SPELL_0];
86
87	root	1.15	/*
88	elmex	1.1	* Plays a sound for specified player only
89			*/
90	root	1.3	void
91	root	1.15	client::play_sound (faceidx sound, int dx, int dy)
92	elmex	1.1	{
93	root	1.15	if (!sound)
94	root	1.3	return;
95	root	1.6
96	root	1.21	if (dx < -MAX_SOUND_DISTANCE \|\| dx > MAX_SOUND_DISTANCE) return;
97			if (dy < -MAX_SOUND_DISTANCE \|\| dy > MAX_SOUND_DISTANCE) return;
98	root	1.20
99	root	1.16	if (fx_want [FT_SOUND])
100	root	1.15	{
101			// cfplus
102			send_face (sound);
103			flush_fx ();
104	elmex	1.1
105	root	1.21	uint8 vol = clamp (255 - idistance (dx, dy) * 361 / MAX_SOUND_DISTANCE, 0, 255);
106	root	1.18
107			// cut off volume here
108	root	1.21	if (vol < 8)
109	root	1.18	return;
110
111	root	1.15	packet sl ("sc");
112	root	1.6
113	root	1.15	uint8 *len = sl.cur;
114	root	1.6
115	root	1.15	sl << uint8 (0) // group length
116			<< uint8 (0) // type == one-time effect
117			<< ber32 (sound)
118			<< sint8 (dx)
119	root	1.18	<< sint8 (dy)
120	root	1.19	<< uint8 (vol); // 0 == silent, 255 max
121	elmex	1.1
122	root	1.15	*len = sl.cur - len; // patch in group length
123	elmex	1.1
124	root	1.15	send_packet (sl);
125	elmex	1.1	}
126	root	1.16	else if (this->sound)
127			{
128	root	1.17	//TODO: remove, or make bearable
129	root	1.16	// gcfclient compatibility
130
131	root	1.17	int gcfclient_sound;
132			for (gcfclient_sound = SOUND_CAST_SPELL_0; gcfclient_sound--; )
133			if (old_sound_index [gcfclient_sound] == sound)
134			{
135			packet sl ("sound");
136
137			sl << uint8 (dx)
138			<< uint8 (dy)
139			<< uint16 (gcfclient_sound)
140			<< uint8 (SOUND_NORMAL);
141	root	1.16
142	root	1.17	send_packet (sl);
143	root	1.16
144	root	1.17	break;
145			}
146	root	1.16	}
147	elmex	1.1	}
148	root	1.15